What it is
Tripeptide-2 is a short signal-type peptide made of three amino acids and is included in cosmetic formulas as a skin-conditioning ingredient. It is typically used at very low levels in serums and moisturizers, including sunscreens marketed with peptide or anti-aging positioning. As a small water-soluble peptide it helps support the feel and conditioning of the skin surface.
Safety & warnings
Tripeptide-2 is used at low concentrations and is generally well tolerated, with a low expected potential for irritation.
Origin & sourcing
Synthetic; it is manufactured by peptide synthesis to a defined three-amino-acid sequence.
Questions everyone asks
What is tripeptide-2?
It is a synthetic three-amino-acid peptide used as a skin-conditioning ingredient in serums, moisturizers, and some sunscreens.
Does tripeptide-2 provide sun protection?
No. It is a conditioning peptide and does not act as a UV filter.